4581: E

内存限制:128 MB 时间限制:1 S 标准输入输出
题目类型:传统 评测方式:Special Judge 上传者:
提交:0 通过:0

题目描述



如果一个数字除以 11 euqals 0 或它包含数字 k,我们称它为 EXcellent,有关详细信息,请参阅示例。

现在我们想知道 [0, 10n] 之间有多少个卓越数字?

Since this number can be very large, print the remainder when it’s divided by lovely 998244353.



输入格式



The first line contains an integer T(T ≤ 10) — the number of test cases you need to solve.

The only line of each test case contains 2 integer n, k(1 ≤ n ≤ 106, 1 ≤ k ≤ 2 × 105) without leading zeros. test case, print the result mod lovely 998244353.



输出格式

For each test case, print the result mod lovely 998244353.

输入样例 复制

3
1 1
2 12
666 233

输出样例 复制

3
11
828654121

数据范围与提示

In the first example, there are 0,1,10 In the second example, there are 0,11,12,22,33,44,55,66,77,88,99

分类标签